VITTORE PISANO (called PISANELLO)--St Anthony and St George _Frontispiece_ National Gallery, London PLATE FACING PAGE I. FILIPPO LIPPI--The Annunciation 22 National Gallery, London II. SANDRO BOTTICELLI(?)--The Virgin and Child 26 National Gallery, London III. SANDRO BOTTICELLI--Portrait of a Young Man 28 National Gallery, London IV. SANDRO BOTTICELLI--The Nativity 32 National Gallery, London V. LEONARDO DA VINCI--The Virgin of the Rocks 36 National Gallery, London VI. PIETRO PERUGINO--Central Portion of Altar-Piece 50 National Gallery, London VII. RAPHAEL--The Ansidei Madonna 52 National Gallery, London VIII. RAPHAEL--La Belle Jardiniere 52 Louvre, Paris IX. RAPHAEL--Portrait of Baldassare Castiglione 56 Louvre, Paris X. CORREGGIO--Mercury, Cupid, and Venus 58 National Gallery, London XI. ANDREA MANTEGNA--The Madonna della Vittoria 68 Louvre, Paris XII. GIOVANNI BELLINI--The Doge Loredano 72 National Gallery, London XIII. GIORGIONE--Venetian Pastoral 78 Louvre, Paris XIV. TITIAN--Portrait said to be of Ariosto 84 National Gallery, London XV. TITIAN--The Holy Family 86 National Gallery, London XVI. TITIAN--The Entombment 88 Louvre, Paris XVII. TINTORETTO--St George and the Dragon 102 National Gallery, London XVIII. VELAZQUEZ--The Infante Philip Prosper 112 Imperial Gallery, Vienna XIX. VELAZQUEZ--The Rokeby Venus 118 National Gallery, London XX. MURILLO--A Boy Drinking 120 National Gallery, London XXI. JAN VAN EYCK--Jan Arnolfini and His Wife 128 National Gallery, London XXII. JAN VAN EYCK--Portrait of the Painter's Wife 132 Town Gallery, Bruges XXIII. JAN MABUSE--Portrait of Jean Carondelet 136 Louvre, Paris XXIV. SIR PETER PAUL RUBENS--Portrait of Helene Fourment, the Artist's Second Wife, and two of Her Children 150 Louvre, Paris XXV. FRANS HALS--Portrait of a Lady 168 Louvre, Paris XXVI. REMBRANDT--Portrait of Hendrickje Stoffels 176 Louvre, Paris XXVII. REMBRANDT--Portrait of an Old Lady 182 National Gallery, London XXVIII. TERBORCH--The Concert 186 Louvre, Paris